Auxiliary guiding device for sewing-machines



W. E. CHIPMAN.

AUXILIARY GUIDlNG DEVICE FOR SEWING-MACHINES. APPLICATION FILED MAR. 27. 1919.

1 358,705, I v Patented Nov. 16, 1920.

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w. E. CHIPMAN. I

AUXILIARY GUIDING DEVICE FOR SEWING MACHINES.

APPUCATION FILED MAR- 27. 1919- .1 ,358,705. I Patented Nov. 16, 1920.

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m 60 wzzlmmzicmpm ATTORNEYS.

UNITED STATES.

PATENT OFFICE.

AUXILIARY GUIDING DEVICE FOR SEWING-MACHINES.

Specification of Letters Patent.

Patented Nov. 16, 1920.

Application filed March 27, 191 9."Seria1 K11 285510.

other tubular fabric may be accurately.

guided to the sewing elements of the ma chine.

The invention may be advantageously employed, for example, in the manufacture of imitations of full fashioned hosiery by the formation of a false suture at the back of a seamless stocking having the appearance of the suture characteristic of the preferred species. In the manufacture of such imitations heretofore, considerable difiiculty has been experienced in producing a false seam along a straight line, or rather in parallelism with the longitudinal lines of the knitting wales in the stocking leg. Such deviation from a straight course resulted in unsightliness and the product was accordingly unsatisfactory. p

In order to overcome these difficulties, I have devised an apparatus which is not which also serves through the aid of certain supplemental features, as a means whereby the stocking may be first of all accurately centered before being advanced to the sewing machine.

lhe organization whereby I accomplish the results above pointed out will be best understood from the detailed descriptionwhich follows. I

In the drawings, Figure I, is a plan view of my improved auxiliary guiding means in operative association with a suitable sewing machine.

Fig. II, is a side elevation of the organization illustrated in Fig. I.

Fig. III, is an end elevation of the mounting board and its supportin pedestal as viewed from the 16a of Fig. i1.

Fig. IV, is a detail view of the inner or attachment end of the board.

Fig. V, is a fragmentary detail view on an enlarged scale, of a portion of the mounting board and a stocking in position thereon,-

illustrating the gaging aperture by the aid of which the stocking is properly centered preparatory to being advanced to the sew- 1ng mac hine.

Fig. VI, is a view of the mounting board in association with the feeding devices of the sewing machine, also showing astocking adganced into engagement with the latter, an

Fig. VII, illustrates diagrammatically, a stocking as it appears after the sewing operation.

Referring first to Figs. I to IV, inclusive, the organization constituting my invention consists of a guiding device comprehensively indicated at 1, arranged in proper alinement with a sewing machine 15, supported upon a suitable work table 20. v

The guiding apparatus 1, consists of a thin flexible tongue or board 2, preferably wood, supported after the manner of a can taliver. This board is preferably disposed at an inclination for the convenience of the operative and projects from an anchorage in the form of a pedestal comprising a pair of uprights 33, bolted at their bases to the floor and supporting between the upper ends a clamp member 4, having an inclined extension 5. This extension is centrally pierced by a threaded aperture 6, for the re ception of a screw bolt 7 which, in coopera tion with a plate 8, serves to clamp the inner end of the mounting board 2, to the pedestal. In order to permit its adjustability, with respect to the sewing machine, board 2, is slotted as shown at 9, in Fig. IV. The outer or free end of the board, normally registers, with the supporting plate 16, of the sewing machine, but by virtue of its flexibility may be readily deflected to facilitate the mounting of the stocking. At a point corresponding to the location of the heel of the stocking, the outer end of the mounting board is provided with a gaging aperture 10, having preferably a substantially circular-outline. Directly beneath the board, and in line with the aperture 10, is located a lamp 11, preferably an electric light, attached to a block 12, projecting laterally from the edge of the work table. Through the knitted fabric, I am enabled to properly center the stocking upon the board preparatory to advancing the same to the sewing machine, in a manner which, will be subsequently explained.

The sewing machine 15, more orless d1agrammatically shown herein, is of well knownconstruction and in itself formsno part of the present invention. In'F1g. VI,

I havehowever shown a few ofits parts in detail so as to more clearly show the exact relation oftheendgof the mounting board to,

the feed elements of the machine. In .said' figure, the work supporting plate already referred to is indicated at 16, thepresser foot. at 17, a cooperativeguide finger at 18,

and the, sewing needle at '19. v

The operation of my invention iszas .follows:

The stocking S, turned inside out, is

slipped over the mounting board 2, and ad-.

justed so'that the heel isbrought into coincidence with the end of the board Wll1Cl1.1S rounded, as shown in Fig. V, HIPIOPQPCOII- formity therewith. ,The proportions of the board are such that the fabric is slightly stretched in order to lie perfectly flat. The

gaging aperture '10, isso located, as previously described that the longitudinal lines of demarcation at eachside of the stocking resulting from the heel reinforcement, are

ther guided byfcoordinating-the longitudinal lines of the knitting wales in the leg portion, with the straight edge of the board in properly determining the "position of the remainderof the stocking. After-the stock ing is thus arranged upon theboard, the op-i erative grasps the foot end andadvances the same beneath the presser footv 17 of the sewing machine 15, under thejassistance afforded bythe guide fingerlS, asshown. in

Fig. VI. 'Th'emachine is then set in mo? tion and the stocking run through under the guidance of the mounting board 2, the operative, in the meanwhile, maintaining by.

hand a sufficient tension to prevent gathering and also preserving the cotirdination above referred to.

It: isto be remembered that this opera, tion is performed upon seamless hosiery, the leg portions of which are plain cylindrical tubes with little or no fashioning, so that the stitching is effected along a straight line in contradistinction to the uniting of the curvilinear edges, of'flat knitted or full fashioned hosiery. 'The operation therefore results in producing a longitudinal line along :the. back of thestocking as represented at 21, in Fig. 'VILwhich after the stocking is turned right side out, has the appearance of theiseamcharacteristic of. full fashioned hosiery. The fashioned contour represented in F ig, VII,isobtained through a pressing operation such as is ordinarily practised in Vlinishnig. seamless hosiery. a

Having thus described 'my invention, I claim: .7 v V 1. In a device of the character described, the combination witha sewing machine, of an auxiliary means for guiding, a folded stocking-to the feeding devices of said machine; and means for initially centering the usual front and rear fold of the stocking accurately upon theauxiliary guiding' means.

2; Ina device of the character described,

the combination with sewing machine, of

an auxiliary means adapted to be inserted withinthe leg of stocking forguiding the same to thefeeding devices of said machine, and means for initially centering the stocking' upon said auxiliary guiding means by superposition of corresponding side portions at the heel.

3. In a deviceof the character described, the combination of an auxiliary guiding means including a mounting board over which a stocking is stretched, said board having a gaging aperture at the region 00- cupied by the stockingheel; means for illuminating said aperture, whereby, through the translucency of the knitted fabric, the longitudinal limitingedges of the heel reinforcement at the sides of the stocking may be brought; into registry and the stocking thereby accurately centered on the board; and a sewing machine alined with said board adapted to receive the stocking under the guidance of said board.

5. In a device of the character described, the combination of an auxiliary guiding means including a mounting board over which a stocking is, stretched, said board having a gaging aperture at the region occupied by the stocking heel, lighting means located below, and in line with said aperture, whereby, through the translucency of the knitted fabric, the longitudinal limiting edges of the heel reinforcement at the sides of the stocking may be brought into registry and the stocking thereby accuratelycentered on the board; and a sewing machine alined with said board adapted to receive the stocking under the guidance of said board.

6. In a device of the character described, the combination with a sewing machine, of an auxiliary guiding means including a flexible mounting board for a stocking, said board having the form of a cantaliver with its free end normally in accurate guiding relation with the feeding devices of the sewing machine and its longitudinal edge parallel with the vertical plane of feed, but capable of being deflected to facilitate the mounting of the work thereon.

7. In a device of the character described, the combination with a sewing machine, of a guiding means including a flexible mounting board for a stocking, said board having the form of a cantaliver with its free end normally in accurate guiding relation with the feeding devices of the sewing machine and its length extending in the direction of feed thereof; and an anchorage for the said board consisting of a floor pedestal formed with a clamp within which the opposite end of the board is firmly but adjustably secured.

8. In a device of the character described, the combination of a sewing machine supported at a level convenient to the operative; a guiding means, including a mounting board for a stocking in the form of a cantaliver inclined upwardly toward the machine, and having its free end in guiding registry with the feeding devices of the machine and its longitudinal edge parallel with the vertical plane of feed.

In testimony whereof, I have hereunto signed my name at Easton, Pa, this 22nd day of March, 1919.

WILLIAM: E. GHIPMAN. Witnesses:

JOHN F. WOLFE, CHESTER A. HARVEY. 

